<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>NotebookLM - AI驱动的研究与笔记革命</title>
    <link href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
    <link href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
        }
        .serif-font {
            font-family: 'Noto Serif SC', serif;
        }
        .gradient-text {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }
        .card-hover {
            transition: all 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }
        .feature-icon {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .drop-cap::first-letter {
            float: left;
            font-size: 4rem;
            line-height: 3rem;
            padding-right: 0.5rem;
            margin-top: 0.5rem;
            font-weight: 700;
            color: #667eea;
        }
        .section-divider {
            background: linear-gradient(to right, transparent, #e5e7eb, transparent);
            height: 1px;
            margin: 4rem 0;
        }
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }
        .float-animation {
            animation: float 3s ease-in-out infinite;
        }
    </style>
</head>
<body class="bg-gray-50">
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-24 px-6">
        <div class="max-w-6xl mx-auto text-center">
            <h1 class="text-5xl md:text-7xl font-bold mb-6 serif-font">NotebookLM</h1>
            <p class="text-xl md:text-2xl mb-8 opacity-90">谷歌实验室推出的AI驱动研究与笔记工具</p>
            <p class="text-lg max-w-3xl mx-auto leading-relaxed opacity-80">
                将人工智能与您的资料深度结合，提供定制化的洞察、总结和创意输出，成为学习与生产力的强大助手
            </p>
            <a href="https://notebooklm.google.com/" target="_blank" class="inline-block mt-8 bg-white text-purple-700 px-8 py-4 rounded-full font-semibold hover:bg-gray-100 transition-all">
                <i class="fas fa-external-link-alt mr-2"></i>访问官网
            </a>
        </div>
    </section>

    <!-- Main Content -->
    <main class="max-w-6xl mx-auto px-6 py-16">
        <!-- Problem Section -->
        <section class="mb-16">
            <h2 class="text-4xl font-bold mb-8 text-gray-800 serif-font">
                <i class="fas fa-puzzle-piece feature-icon mr-3"></i>它能解决什么问题
            </h2>
            <div class="prose prose-lg max-w-none">
                <p class="drop-cap text-gray-700 leading-relaxed mb-6">
                    研究和笔记整理常常让人感到棘手，用户常面临信息过载、工作流割裂、缺乏语境和内容难以消化等痛点。NotebookLM正是为解决这些问题而生，它通过将AI与用户上传的文档深度整合，简化研究流程，提升理解效率。
                </p>
            </div>
            <div class="grid md:grid-cols-2 lg:grid-cols-4 gap-6 mt-10">
                <div class="bg-white p-6 rounded-xl shadow-lg card-hover">
                    <i class="fas fa-brain text-3xl feature-icon mb-4"></i>
                    <h3 class="font-semibold text-lg mb-2">信息过载</h3>
                    <p class="text-gray-600 text-sm">从冗长文档中提取关键信息耗时费力</p>
                </div>
                <div class="bg-white p-6 rounded-xl shadow-lg card-hover">
                    <i class="fas fa-random text-3xl feature-icon mb-4"></i>
                    <h3 class="font-semibold text-lg mb-2">工作流割裂</h3>
                    <p class="text-gray-600 text-sm">在多个工具间切换打断专注力</p>
                </div>
                <div class="bg-white p-6 rounded-xl shadow-lg card-hover">
                    <i class="fas fa-question-circle text-3xl feature-icon mb-4"></i>
                    <h3 class="font-semibold text-lg mb-2">缺乏语境</h3>
                    <p class="text-gray-600 text-sm">通用AI工具可能提供不准确回答</p>
                </div>
                <div class="bg-white p-6 rounded-xl shadow-lg card-hover">
                    <i class="fas fa-book-reader text-3xl feature-icon mb-4"></i>
                    <h3 class="font-semibold text-lg mb-2">内容难消化</h3>
                    <p class="text-gray-600 text-sm">复杂材料难以理解和记忆</p>
                </div>
            </div>
        </section>

        <div class="section-divider"></div>

        <!-- Core Features -->
        <section class="mb-16">
            <h2 class="text-4xl font-bold mb-8 text-gray-800 serif-font">
                <i class="fas fa-star feature-icon mr-3"></i>核心功能概述
            </h2>
            <div class="space-y-8">
                <div class="bg-white p-8 rounded-2xl shadow-lg">
                    <h3 class="text-2xl font-semibold mb-4 text-purple-700">
                        <i class="fas fa-database mr-2"></i>基于来源的AI
                    </h3>
                    <p class="text-gray-700 leading-relaxed">
                        支持上传最多50个来源（PDF、Google文档、网页、含字幕的YouTube视频），每个笔记本可处理2500万字的文本。AI成为您材料的"专家"，提供精准、带引用的回答。
                    </p>
                </div>
                <div class="grid md:grid-cols-2 gap-6">
                    <div class="bg-gradient-to-br from-purple-50 to-pink-50 p-6 rounded-xl">
                        <h3 class="text-xl font-semibold mb-3">
                            <i class="fas fa-file-alt text-purple-600 mr-2"></i>自动总结
                        </h3>
                        <p class="text-gray-700">为每个上传的来源生成摘要、关键主题和建议问题</p>
                    </div>
                    <div class="bg-gradient-to-br from-blue-50 to-purple-50 p-6 rounded-xl">
                        <h3 class="text-xl font-semibold mb-3">
                            <i class="fas fa-podcast text-blue-600 mr-2"></i>音频概览
                        </h3>
                        <p class="text-gray-700">生成播客风格的音频，由AI主持人总结和串联观点</p>
                    </div>
                    <div class="bg-gradient-to-br from-green-50 to-blue-50 p-6 rounded-xl">
                        <h3 class="text-xl font-semibold mb-3">
                            <i class="fas fa-magic text-green-600 mr-2"></i>多功能输出
                        </h3>
                        <p class="text-gray-700">生成学习指南、FAQ、时间线或视频概览</p>
                    </div>
                    <div class="bg-gradient-to-br from-yellow-50 to-green-50 p-6 rounded-xl">
                        <h3 class="text-xl font-semibold mb-3">
                            <i class="fas fa-share-alt text-yellow-600 mr-2"></i>笔记本共享
                        </h3>
                        <p class="text-gray-700">支持团队协作，可分享笔记本并设置访问权限</p>
                    </div>
                </div>
            </div>
        </section>

        <div class="section-divider"></div>

        <!-- Visualization -->
        <section class="mb-16">
            <h2 class="text-4xl font-bold mb-8 text-gray-800 serif-font">
                <i class="fas fa-project-diagram feature-icon mr-3"></i>功能架构图
            </h2>
            <div class="bg-white p-8 rounded-2xl shadow-lg">
                <div class="mermaid">
                    graph TD
                        A[用户上传资料] --> B{NotebookLM AI引擎}
                        B --> C[自动总结生成]
                        B --> D[智能问答系统]
                        B --> E[音频概览生成]
                        B --> F[多格式输出]
                        
                        C --> G[关键主题提取]
                        C --> H[建议问题生成]
                        
                        D --> I[基于来源回答]
                        D --> J[引用标注]
                        
                        E --> K[播客风格音频]
                        E --> L[AI主持人对话]
                        
                        F --> M[学习指南]
                        F --> N[FAQ文档]
                        F --> O[时间线]
                        
                        style A fill:#f9f,stroke:#333,stroke-width:2px
                        style B fill:#bbf,stroke:#333,stroke-width:4px
                </div>
            </div>
        </section>

        <div class="section-divider"></div>

        <!-- Use Cases -->
        <section class="mb-16">
            <h2 class="text-4xl font-bold mb-8 text-gray-800 serif-font">
                <i class="fas fa-lightbulb feature-icon mr-3"></i>使用场景
            </h2>
            <div class="grid md:grid-cols-3 gap-8">
                <div class="bg-white rounded-2xl shadow-lg overflow-hidden card-hover">
                    <div class="hero-gradient p-6 text-white">
                        <i class="fas fa-graduation-cap text-4xl mb-3"></i>
                        <h3 class="text-xl font-semibold">学术研究</h3>
                    </div>
                    <div class="p-6">
                        <p class="text-gray-700">研究生上传期刊文章和课堂笔记，生成学习指南应对考试，通过询问复杂理论的细节加深理解。</p>
                    </div>
                </div>
                <div class="bg-white rounded-2xl shadow-lg overflow-hidden card-hover">
                    <div class="hero-gradient p-6 text-white">
                        <i class="fas fa-chart-line text-4xl mb-3"></i>
                        <h3 class="text-xl font-semibold">专业分析</h3>
                    </div>
                    <div class="p-6">
                        <p class="text-gray-700">市场分析师上传季度财报和行业文章，生成趋势简报，查询竞争对手策略。</p>
                    </div>
                </div>
                <div class="bg-white rounded-2xl shadow-lg overflow-hidden card-hover">
                    <div class="hero-gradient p-6 text-white">
                        <i class="fas fa-video text-4xl mb-3"></i>
                        <h3 class="text-xl font-semibold">个人项目</h3>
                    </div>
                    <div class="p-6">
                        <p class="text-gray-700">内容创作者上传剧本和研究笔记，利用NotebookLM头脑风暴视频创意。</p>
                    </div>
                </div>
            </div>
        </section>

        <div class="section-divider"></div>

        <!-- Pricing -->
        <section class="mb-16">
            <h2 class="text-4xl font-bold mb-8 text-gray-800 serif-font">
                <i class="fas fa-dollar-sign feature-icon mr-3"></i>使用门槛与成本
            </h2>
            <div class="grid md:grid-cols-3 gap-8">
                <div class="bg-white p-8 rounded-2xl shadow-lg border-2 border-gray-200">
                    <h3 class="text-2xl font-semibold mb-4">免费版本</h3>
                    <p class="text-4xl font-bold gradient-text mb-4">$0</p>
                    <ul class="space-y-3 text-gray-700">
                        <li><i class="fas fa-check text-green-500 mr-2"></i>谷歌账户即可使用</li>
                        <li><i class="fas fa-check text-green-500 mr-2"></i>基础功能全覆盖</li